MESON Chess Problem Database

Problem Display
PID: 184375 (3K4/2p5/2BR4/1P1pk1B1/1P2N1P1/n4p2/3N1PP1/8 w - - 0 1)

Labai, Zoltan

2nd Comm., Gulyaev/Grin-110 MT (Kudesnik), 2018

3K4/2p5/2BR4/1P1pk1B1/1P2N1P1/n4p2/3N1PP1/8

#2

11 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Rxd5#
    • 1...d4
      • 2.Sxf3#
  • Tries
    • 1.Kd7?
      • threat
        • 2.Rxd5#
      • 1...Kd4
        • 2.Rxd5#
      • 1...dxe4
        • 2.Rd5#
      • 1...d4
        • 2.Sxf3#
        • 2.Rd5#
        • 2.Re6#
      • 1...cxd6!
    • 1.Ke7?
      • threat
        • 2.Rxd5#
      • 1...Kd4
        • 2.Rxd5#
      • 1...dxe4
        • 2.Rd5#
      • 1...d4
        • 2.Sxf3#
        • 2.Rd5#
        • 2.Re6#
      • 1...cxd6!
    • 1.Bf4+?
      • 1...Kd4
        • 2.Rxd5#
      • 1...Kxf4!
    • 1.g3?
      • threat
        • 2.Bf6#
      • 1...Kd4
        • 2.Rxd5#
      • 1...dxe4
        • 2.Bf4#
      • 1...cxd6!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Rxd5#
      • 1...Kd4
        • 2.Bf6#
      • 1...Kxd6
        • 2.Bf4#
      • 1...cxd6
        • 2.Sxf3#
      • 1...d4
        • 2.Rd5#
        • 2.Re6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(d);P_SPINP(c),S_FLIGHT::R1(J),XP(c)
    • P(c);::S(A),XP(b)
  • Tries
    • Try
      • K(K);P-FLIGHT
      • Threat
        • R1(J),XP(c)
      • Vars
        • K(d);P_SPINP(c),S_FLIGHT::R1(J),XP(c)
        • P(c);XS(E)::R1(J)
      • Refutation
        • P(e);XR(J)
    • Try
      • K(K);S_FLIGHT
      • Threat
        • R1(J),XP(c)
      • Vars
        • K(d);P_SPINP(c),S_FLIGHT::R1(J),XP(c)
        • P(c);XS(E)::R1(J)
      • Refutation
        • P(e);XR(J)
    • Try
      • B(H);CHECK
      • Vars
        • K(d);P_SPINP(c),S_FLIGHT::R1(J),XP(c)
      • Refutation
        • K(d);S_FLIGHT,XB(H)
    • Try
      • P(C);
      • Threat
        • B(H)
      • Vars
        • K(d);P_SPINP(c),S_FLIGHT::R1(J),XP(c)
        • P(c);XS(E)::B(H)
      • Refutation
        • P(e);XR(J)
  • Actual
    • S(E);
    • Threat
      • R1(J),XP(c)
    • Vars
      • K(d);P_SPINP(c),S_FLIGHT::B(H)
      • K(d);S_FLIGHT,XR(J)::B(H)
      • P(e);SBLOCK,XR(J)::S(A),XP(b)
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